The leper in whom the plague is, his clothes shall be rent, and his head bare, and he shall put a covering upon his upper lip, and shall cry, Unclean, unclean. Leviticus 13:45
Trivia: How long is a mother unclean after delivering a baby girl?
Camels were first domesticated in the tenth century BCE more than a thousand years after Abraham supposedly lived.
See notes: Gen 12:16, 24:10, 30:43, 31:17, 32:15, 37:25
